Gravitation – Online MCQs Test – Physics 9th

1. Near Earth’s surface g = _____________

2. The time required for a satellite or complete one revolution around the Earth in its orbit is called its:

3.

4. Gravitational force is always ___________

5. Numerical value of G is ___________

6. Gravitation force is _____________ of the medium between the objects.

7. Earth’s field force is a:

8. In 1798, he completed the 1^st experiment that demonstrated Newton’s Law of universal gravitation.

9.

10. According to Newton’s law of universal gravitation, force ∝ ____________

11. The constant horizontal velocity required to put the satellite into a stable circular orbit around the Earth is called:

12. Weight is measure in:

13. The gravitational pull of the Earth on the satellite provides the _________ needed to keep a satellite in orbit around some planet.

14. Sun’s gravitational attraction to the Earth is ________ times greater than that of the moon to the Earth.

15. ___________ was the first scientist who gave the concept of gravitation.

16.

17. Spring balance is used to measure ______________

18.

19. __________ is a natural satellite.

20. According to Newton’s law of universal gravitation, force ∝ to ___________